How to Tell if a FOB Is From a 1999 Ford Explorer

While many key FOBs are only used as a chain or ring that holds all of your keys, some key FOBs are used as a wireless entry remote. Some 1999 Ford Explorer models come with the keyless entry system installed, which give you the ability to control the internal locking system using a remote. Not just any remote will work for your Explorer though. There is a specific model of key FOB remote that can be programmed to your 1999 Ford Explorer.

• 1

  Turn over the key FOB so that you can read the back cover. If the lettering is too small for you to read, use a magnifying glass and look at it under light.

• 2

  Look through the sets of numbers, and locate the "FCC ID."

• 3

  Write down the FCC ID number. Your 1999 Explorer must have one of a few specific FCC ID numbers in order to function correctly.

• 4

  Compare the FCC ID number to the following codes: CWTWB1U345, CWTWB1U331, CWTWB1U212 or GQ43VT11T. It must be one of those four in order to work.